Compaction- and photoelastic-induced index changes in fiber Bragg gratings

被引：92

作者：

Limberger, HG ^{[1
]}

Fonjallaz, PY ^{[1
]}

Salathe, RP ^{[1
]}

Cochet, F ^{[1
]}

机构：

[1] CABLOPT SA,CH-2016 CORTAILLOD,SWITZERLAND

来源：

APPLIED PHYSICS LETTERS | 1996年 / 68卷 / 22期

关键词：

D O I：

10.1063/1.116425

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The tension on the core of single-mode fibers is strongly increased by the formation of a Bragg grating. This tension increase lowers the refractive index because of the photoelastic effect. On the other hand, the compaction of the core network results in an increased refractive index, The two contributions are evaluated from axial stress measurements, from the determined index modulation amplitude, and from the mean index change of the Bragg gratings. The total Bragg grating index modulation is smaller than the compaction-induced index modulation by 30%-35% because of the photoelastic effect. (C) 1996 American Institute of Physics.

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页码：3069 / 3071

页数：3

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